CacheResponseStream.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.util.servlet.filters; 24 25 import java.io.DataOutputStream; 26 import java.io.IOException; 27 import java.io.OutputStream; 28 29 import javax.servlet.ServletOutputStream; 30 31 /** 32 * <a href="CacheResponseStream.java.html"><b><i>View Source</i></b></a> 33 * 34 * @author Alexander Chow 35 */ 36 public class CacheResponseStream extends ServletOutputStream { 37 38 public CacheResponseStream(OutputStream os) { 39 _dos = new DataOutputStream(os); 40 } 41 42 public void close() throws IOException { 43 super.close(); 44 45 _closed = true; 46 } 47 48 public boolean isClosed() { 49 return _closed; 50 } 51 52 public void write(int b) throws IOException { 53 _dos.write(b); 54 } 55 56 public void write(byte[] b) throws IOException { 57 _dos.write(b); 58 } 59 60 public void write(byte[] b, int off, int len) throws IOException { 61 _dos.write(b, off, len); 62 } 63 64 private boolean _closed; 65 private DataOutputStream _dos = null; 66 67 }